Erratum to “Biodistribution and SPECT Imaging Study of 99mTc Labeling NGR Peptide in Nude Mice Bearing Human HepG2 Hepatoma”

In the paper titled “Biodistribution and SPECT imaging study of99mTc labeling NGR peptide in nude mice bearing human HepG2 hepatoma,” there is a mistake in the chemical structure of the NGR sequence and it is corrected in Figure 1 below. There is also a number mistake in the part of Materials and Methods (2.4. Cell Culture and Animal Model) that the HepG2 tumor model was established by subcutaneous injection of 5 × 106 HepG2 tumor cells (0.1 mL) into the right upper flanks, but not 2 × 106. Figure 1 Chemical structure and mass result of NGR (YGGCNGRC).